IQ1515S

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The IQ1515S DC-DC Converter is a four-phase buck converter that uses a high-efficiency current-mode topology to convert the input voltage to the desired regulated output voltage with minimal power loss. It utilizes an average current control technique to minimize the switching losses of the power semiconductor devices used in the converter. The IQ1515S has a high peak current capacity of 35A, with low RDS(ON) of 17mΩ, and its output ripple is remarkably lower than other DC-DC converters, due to the active filter implementation. The high frequency switching capability and a wide input voltage range of 4.5V to 72V makes it suitable for use in a wide range of applications.

IQ1515S is widely used in automotive, industrial, military, and telecom applications. It is capable of operating under extreme conditions, such as high temperatures, in accordance with the AEC-Q100 Thermal Stress test procedure. The low output voltage ripple, high efficiency, wide input voltage range, and high power density make the IQ1515S ideal for applications with space constraints. The converter can be used for powering large array of LED lights due to its low output ripple and high efficiency.

The IQ1515S DC-DC Converter has four phases and each phase utilizes an active filter. This allows the converter to provide a low output voltage ripple even at high frequency switching capability. The control signals are provided by the main processor, and the current loop and voltage loop are synchronized for optimal efficiency and stability. The converter uses pulse width modulation (PWM) technique for switching, and it is optimized for wide input voltage range capability.

The high switching frequency significantly reduces the size of the magnetics, allowing the converter to operate in low profile packages. The wide input voltage range makes the IQ1515S an ideal choice for applications with large variations in the input voltage, such as automotive or battery powered applications. The current-mode control technique combined with the active filter, enable the converter to have a wide bandwidth response which makes it resilient to dynamic loads.

The high power density, current capacity, low output voltage ripple, wide input voltage range, and high efficiency makes the IQ1515S an ideal choice for many applications. The IQ1515S can be used for supplying power to high power applications like motors and loads with dynamic load demands. It is also suitable for powering LED lighting or other high current applications which require a low output voltage ripple. In addition, the converter can also be used for automotive applications as it is AEC-Q100 certified and is capable of operating at high temperatures.

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